EDIT

    /**

     * Indicates <i>this</i> taxon name is a {@link NameRelationshipType#REPLACED_SYNONYM() replaced synonym}

     * of any other taxon name. Returns "true", if a replaced

     * synonym {@link NameRelationship relationship} from <i>this</i> taxon name to another taxon name exists,

     * false otherwise (also in case <i>this</i> taxon name is the only one in the

     * homotypical group).

     */

    @Transient

    public boolean isReplacedSynonym(){

        Set<NameRelationship> relationsFromThisName = this.getRelationsFromThisName();

        for (NameRelationship relation : relationsFromThisName) {

            if (relation.getType().isReplacedSynonymRelation()) {

                return true;

            }

        }

        return false;

    }

    /**

     * Returns the set of taxon names which are the {@link NameRelationshipType#REPLACED_SYNONYM() replaced synonyms} of <i>this</i> taxon name.

     *  

     */

    @Transient

    public Set<TaxonNameBase> getReplacedSynonyms(){

        Set<TaxonNameBase> result = new HashSet<TaxonNameBase>();

        Set<NameRelationship> rels = this.getRelationsToThisName();

        for (NameRelationship rel : rels){

            if (rel.getType().isReplacedSynonymRelation()){

                TaxonNameBase replacedSynonym = rel.getFromName();

                result.add(replacedSynonym);

            }

        }

        return result;

    }